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| 1 | Performance characterization of Ni60-WC coating on steel processed with supersonic laser deposition显示文摘Ni60-WC particles are used to improve the wear resistance of hard-facing steel due to their high hardness. An emerging technology that combines laser with cold spraying to deposit the hard-facing coatings is known as supersonic laser deposition. In this study, Ni60-WC is deposited on low-carbon steel using SLD. The microstructure and performance of the coatings are investigated through SEM, optical microscopy, EDS, XRD, microhardness and pin-on-disc wear tests. The experimental results of the coating processed with the optimal parameters are compared to those of the coating deposited using laser cladding. | Fang LUO Andrew COCKBURN Martin SPARKES Rocco LUPOI Zhi-jun CHEN William O'NEILL Jian-hua YAO Rong LIU | 2015 | Defence Technology(防务技术)2015，11，1： | 11 |
| 2 | Hardfacing steel with nanostructured coatings of Stellite-6 by supersonic laser deposition显示文摘The ability to manufacture coatings is critical to engineering design. Many components require the application of additional layers toenhance mechanical properties and protect against hostile environments. Supersonic laser deposition (SLD) is a novel coating methodbased on cold spray (CS) principles. In this technique, the deposition velocities can be significantly lower than those required foreffective bonding in CS applications. The addition of laser heat energy permits a change in the thermodynamic experience of impactingparticles, thereby offering a greater opportunity for efficient bonding at lower velocities as compared with the CS process. The workreported in this paper demonstrates the ability of the SLD process to deliver hardfacing materials to engineering surfaces. Stellite-6 hasbeen deposited on low-carbon steel tubes over a range of process parameters to establish the appropriate target power and traversespeeds for the coating formation. The coating properties and parameters were examined to determine the primary characteristics andgrain structure size. Their morphology and performance were studied through optical microscopy, scanning electron microscope(SEM), X-ray diffraction, hardness measurements and wear testing. The results have shown that SLD is capable of depositing layers ofStellite-6, with properties that are superior to those of their conventionally manufactured counterparts. | Rocco Lupoi Andrew Cockburn Chris Bryan Martin Sparkes Fang Luo William O’Neill | 2012 | Light(Science & Applications)2012，1，1： | 8 |
| 3 | Characteristics of Stellite 6 Deposited by Supersonic Laser Deposition Under Optimized Parameters显示文摘Stellite 6 powders were deposited on low carbon steel using SLD (supersonic laser deposition) under optimized parameters. The structure, line scan of elements and porosity of coating were examined and analyzed using SEM (scanning electron microscope), OM (optical microscope) and XRD (X-ray diffraction). The adhesion strength between coating and substrate was tested by PAT-ADHESION/TENSILE and E900STM adhesive. The results showed the deposition characteristics of optimized coating with N2 at a pressure of 3.0 MPa, a temperature of 450 ℃ and a laser power of 1.5 kW were compared with those of Stellite 6 coating deposited by the HVOF (high velocity oxygen fuel). | LUO Fang Lupoi Rocco Cockburn Andrew Sparkes Martin O'neill William YAO Jian-hua | 2013 | Journal of Iron and Steel Research(International)2013，20，2： | 4 |
| 4 | Information Technology and Intangible Output: The Impact of IT Investment on Innovation Productivity显示文摘 | Landon Kleis Paul Chwelos Ronald V. Ramirez Iain Cockburn | 2012 | Information Systems Research2012，，1： | 2 |
| 5 | Origin and progress of the 1968-1969 Hong Kong influenza epidemic显示文摘 | Cockburn W C Delon P J Ferreira W | 1969 | Bull World Health Organ1969，41，： | 1 |
| 6 | Discontinuous Galerkin methods 显示文摘 | Cockburn B | 2003 | Zeitschrift fiir Angewandte Mathematik and Mechanik2003，83，11： | 1 |
| 7 | Measuring competence:Exploring firm effects in pharmaceutical research显示文摘 | Henderson R Cockburn I | 1994 | Strategic Management Journal1994，15，： | 1 |
| 8 | Training on a vascular interventional simulator:an observational study显示文摘 | Klass D Tam MD Cockburn J | 2008 | Eur Radiol2008，18，： | 1 |
| 9 | The Runge-Kutta local projec- tion pl_discontinuous Galerkin finite element method for scalar conservation laws显示文摘 | Cockburn B Shu C W | 1988 | Mathematical Mode- ling and Numerical Analysis1988，25，： | 1 |
| 10 | Approaches to the safety assessment of engineered nanomaterials(ENM)in food显示文摘 | COCKBURN A BRADFORD R BUCK N | 2012 | Food&Chemical Toxicology2012，50，6： | 1 |
| 11 | Structring Use Case with goals显示文摘 | Cockburn A | 1997 | Journal of Object-Oriented Programming1997，9，12： | 1 |
| 12 | TVB Runge-Kutta local projection projection diseontinuous galerkin finite element method for conservation laws 3:one dimensional systems显示文摘 | COCKBURN B SHU C W | 1989 | J Compt Pty1989，84，： | 1 |
| 13 | Nitrite in Feed: From Animal Health to Hurnan Health 显示文摘 | Cockburn A Brambilla G Fernandez M | 2013 | Toxicology and Applied Pharmacology2013，270，3： | 1 |
| 14 | The Laser-assistedCold Spray Process and Deposit Characterisation 显示文摘 | BRAY M COCKBURN A 6NEILL W | 2009 | Sur-face and Coating Technology2009，203，19： | 1 |
| 15 | Assessment of the safety of foods derived from genetically modified (GM) crops 显示文摘 | Konig A Cockburn A Crevel RWR | 2004 | Food and Chemical Toxicology2004，42，： | 1 |
| 16 | A compact and accurate Gaussian variate generator 显示文摘 | Alimohammad A Fard S F Cockburn B F and Schlegel C | 2008 | IEEE Transactions on Very Large Scale Integration9( VLS1) Systems2008，16，5： | 1 |
| 17 | Runge-Kutta discontinuous Galerkin methods for convection dominated problems显示文摘 | Cockburn B Shu C W | 2001 | Journal of Scientific Computing2001，16，3： | 1 |
| 18 | TVB Runge-Kutta local projecting discontinuous Galerkin finite element methods for conservation laws Ill:one dimensional systems 显示文摘 | Cockburn B Lin S Y Shu C W | 1989 | Journal of Computational Physics1989，84，1： | 1 |
| 19 | A comparison of thiessen polygon,Kriging,and Spline models of potential UV exposure显示文摘 | Tatalovich Z Wilson J P Cockburn M | 2006 | Cartography and Geographic Information Science2006，33，3： | 1 |
| 20 | The local discontinuous Galerkin method for time-dependent convection-diffusion systems显示文摘 | COCKBURN B SHU C W | 1998 | SIAMJ Numer Anal1998，35，6： | 1 |
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